# GPT-5.4 Mini: AI model fact sheet

- **Provider:** openai
- **Released:** 2026-03-17
- **Context window:** 400,000 tokens
- **API pricing:** $0.75 / 1M input, $4.50 / 1M output
- **OpenRouter ID:** openai/gpt-5.4-mini
- **Capabilities:** conversation, reasoning, code-generation, analysis

GPT-5.4 Mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding, and tool use, while reducing latency and cost for large-scale deployments. The model is designed for production environments that require a balance of capability and efficiency, making it well suited for chat applications, coding assistants, and agent workflows that operate at scale.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/gpt-5.4-mini